release-code-freeze.yml

name: "Release - Code freeze"

# This action will run according to the cron schedule or when triggered manually
on:
  schedule:
    - cron: '0 12 * * 0' # Run at 1200 UTC on Sundays.
  workflow_dispatch:
    inputs:
      skipSlackPing:
        description: "Skip the Slack ping"
        type: boolean
        required: false
        default: false

defaults:
  run:
    shell: bash

jobs:
  check-code-freeze:
    name: "Check that today is the day of the code freeze"
    runs-on: ubuntu-latest
    outputs:
      freeze: ${{ steps.check-freeze.outputs.FREEZE }}
      nextReleaseVersion: ${{ steps.next-version.outputs.NEXT_RELEASE_VERSION }}
      nextReleaseDate: ${{ steps.define_var.outputs.RELEASE_PLANNED_DATE }}
    steps:
      - name: "Checkout repository"
        uses: actions/checkout@v3
        with:
          ref: 'develop'

      - name: "Get current version"
        id: current-version
        run: |
          VERSION=$(jq '.version' package.json -r)
          echo "Current version found: $VERSION" >> $GITHUB_STEP_SUMMARY
          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT

      - name: "Set up repository"
        uses: ./.github/actions/setup-repo

      - name: "Calculate the next version"
        id: next-version
        env:
          RELEASE_VERSION: ${{ steps.current-version.outputs.VERSION }}
        run: php .github/workflows/scripts/get-next-version.php

      - name: "Define the release planned date"
        id: define_var
        run: |
          RELEASE_PLANNED_DATE=$( date "+%Y-%m-%d" -d "next Wednesday" ) # Date formatted as YYYY-MM-DD
          echo "RELEASE_PLANNED_DATE=$RELEASE_PLANNED_DATE" >> $GITHUB_OUTPUT

      - name: "Check if the next version needs a code freeze"
        id: check-freeze
        env:
          NEXT_VERSION: ${{ steps.next-version.outputs.NEXT_RELEASE_VERSION }}
        run: |
          git fetch --tags origin
          NEXT_VERSION_TAG_STABLE=$(git tag -l "${{ env.NEXT_VERSION }}" | tail -1)
          NEXT_VERSION_TAG_FROM_WEEK_2=$(git tag -l "${{ env.NEXT_VERSION }}-test-2" | tail -1)
          if [[ -z "$NEXT_VERSION_TAG_FROM_WEEK_2" ]]; then
            echo "Code freeze is not needed :x:" >> $GITHUB_STEP_SUMMARY
            echo "FREEZE=0" >> $GITHUB_OUTPUT
          elif [[ -z "$NEXT_VERSION_TAG_STABLE" ]]; then
            echo "Code freeze is needed :white_check_mark:" >> $GITHUB_STEP_SUMMARY
            echo "FREEZE=1" >> $GITHUB_OUTPUT
          fi

  create-release-pr:
    name: "Raise a PR to trunk"
    needs: check-code-freeze
    if: needs.check-code-freeze.outputs.freeze == 1
    uses: ./.github/workflows/release-pr.yml
    with:
      releaseVersion: ${{ needs.check-code-freeze.outputs.nextReleaseVersion }}
    secrets: inherit

  slack-notification:
    name: "Send notification to Slack"
    needs: [check-code-freeze, create-release-pr]
    if: ${{ ! ( inputs.skipSlackPing && needs.create-release-pr.outputs.release-pr-id ) }}
    runs-on: ubuntu-latest
    env:
      RELEASE_VERSION: ${{ needs.check-code-freeze.outputs.nextReleaseVersion }}
      RELEASE_DATE: ${{ needs.check-code-freeze.outputs.nextReleaseDate }}
      RELEASE_PR_ID: ${{ needs.create-release-pr.outputs.release-pr-id }}
    steps:
      - name: "Slack ping"
        uses: slackapi/slack-github-action@v1.23.0
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.CODE_FREEZE_SLACK_WEBHOOK_URL }}
          SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK
        with:
          # For posting a rich message using Block Kit (https://api.slack.com/messaging/interactivity)
          payload: |
            {
              "blocks": [
                {
                  "type": "header",
                  "text": {
                    "type": "plain_text",
                    "text": "Code freeze notification",
                    "emoji": true
                  }
                },
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": "The automated workflow just did the following actions:"
                  }
                },
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": "• Created a release branch `release/${{ env.RELEASE_VERSION }}` \n • Raised a <https://github.com/Automattic/woocommerce-payments/pull/${{ env.RELEASE_PR_ID }}|Pull Request> to `trunk`\n • Built a <https://github.com/Automattic/woocommerce-payments/actions/runs/${{ github.run_id }}|zip file and ran smoke tests> against it"
                  }
                },
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": "If you absolutely need to include a PR that was not merged in `develop` yet, please consult the release lead."
                  }
                },
                {
                  "type": "section",
                  "fields": [
                    {
                      "type": "mrkdwn",
                      "text": "*Version:*\n${{ env.RELEASE_VERSION }}"
                    },
                    {
                      "type": "mrkdwn",
                      "text": "*Planned date:*\n<https://wcpay.wordpress.com/dev-resources/wc-payments-release-calendar/|${{ env.RELEASE_DATE }}>"
                    }
                  ]
                }
              ]
            }